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High quality brand B208 TSUBAKI design sprag type one way clutch apply in harvester


High quality brand B208 TSUBAKI design sprag type one way clutch apply in harvester

Brand Name : TSUBAKI

Model Number : B 208

Certification : SGS

MOQ : 1

Price : USD 0.5-10 PCS

Payment Terms : L/C, T/T, Western Union

Supply Ability : 1000 PCS/MON

Delivery Time : 3-15 DAYS

Packaging Details : Single Box , Industrial Packing

Bearing Type : One Way Clutch Bearing

Material : GCR15

Bearing Model : B 208

Torqure Capacity : 549N.M

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Type B208,CB-200 is a sprag type free wheel not self-centring. It is therefore necessary to place one or two bearings next to the free wheel so that the outer race can rotate centrally to the inner race.

The bearings to use next to the free wheel are written in the following table.

A key will transmit the torque between outer ring and the shaft. the tolerance of the housing bore must be h7.

The sprags work on the shaft made by the user which must be realized following these indications:

1) carburized depth after grinding 0,6 mm

2) surface hardness of hrc58-62

3) core hardness of hrc35-45

4) surface roughness must not exceed 6,3 μm

5) maximum shaft taper 0,01 mm per 50 mm length

CB-200 series can be lubricated with grease or oil but they must not have EP additives

Bearing Type : One Way Clutch Bearing


Weigh : 0.91KG

Material : GCR15

ID : 46.761MM

Scope application : Textile Machine,elevator Machine, Strap/belt Tighteners• Bucket Conveyors • Belt Reversing Locks

Inner Packing : Carton/wooden box, packaging with a woven belt

Outer Packing : Carton/Wooden box

Stock : Great Supplying Ability

Supply a sample : Yes

Bearing Specification

Inner Diameter46.76 MM
Outer Diameter80.00 MM
Width32.00 MM
Weight0.91 kg
CategoryClutch and brakes

Different size for you reference

TypeDrag torque(N.m)Overrunning Speed (r/min)Shaft size
Outer race h7(mm)ThicknessKey way
inner raceouter race(mm)(mm)

Product Picture

Installation and Usage

1.B200 Series Cam Clutch is shaft mounted, so the shaft on which the clutch is mounted must be hardened to Rc 56-60 and 1.5 mm case depth after grinding. Grind to 1.5S (16micro-inch) finish. The taper of this shaft should not exceed 0.01 mm per 50mm.
2. For installation of the clutch mount the clutch with bearings at both sides or on one side in
order to obtain concentricity between the shaft and the clutch outer race and to take up radial
or thrust loads which may work on the outer race or the shaft. See the installation example.
3. The clutch should be mounted on the shaft by rotating it in the direction marked by the arrow
shown on the clutch plate. Do not apply shock to the clutch by hammering.
4. The clutches have the same outside diameters as the bearings shown in the table above. Bore tolerance of the housing in which the clutch is assembled should be within the range shown in the table below.
5. For indexing, oil lubrication is recommended.
6. Concentricity of the housing bore and shaft should be within 0.05 mm.
7. Key profile should be in accordance with JIS B1301-1959


Tolerance of housing bore(mm)

B203,B204+0 to + 0.025
B205,B206,B207,B208+0 to + 0.030
B210,B211,B212,B213+0 to + 0.035
B214+0 to + 0.040

Typical appilcations of one way bearing B208

Air cleaning plants; Agricultural machines; Buchet elevators; Compressors; Conveyors; Cranes and hoists; Dry cleaning machinery; Duplicator equipment; Fish net machines; Heat-treatment furnaces; Induced draft fans; Multi-states conveyors; Packaging machinery; Printing machinery; Pumps; Punch presses and feeders; Power plants; Refinery equipment; Speed reducers; Standby power units; Textile looms; Two-speed grinders; Two-speed shiftovers; Washing machines; Wire winding machinery.

Packing , Payment , Delievry and Stock

1)Commercial Bearings packaging: 1pc/plastic bag + color box + carton + pallet
2)Industrial Bearings packaginga)plastic tube + carton + pallet
b). plastic bag +kraft paper + carton + pallet
3)According to the requirement of customers'
1) T/T:30% deposit, 70% should be paid before shipment.
2) L/C at sight. (high bank charge, not suggest, but acceptable )
3) 100% Western Union in advance. (especially for air shipment or small amount)
1) Less than 45 KGS, we will send by express. ( Door to Door, Convenient )
2) Between 45 - 200 KGS, we will send by air transport. ( Fastest and safest, but expensive )
3) More than 200 KGS, we will send by sea. ( Cheapest, but long time )
1)Availability and supply capacity on a certain basis


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